56978752 has 28 divisors (see below), whose sum is σ = 113582196. Its totient is φ = 28359680.

The previous prime is 56978749. The next prime is 56978767. The reversal of 56978752 is 25787965.

It can be written as a sum of positive squares in 2 ways, for example, as 32535616 + 24443136 = 5704^2 + 4944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56978696 and 56978705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13002 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (4056507).

Almost surely, 2^56978752 is an apocalyptic number.

It is an amenable number.

56978752 is a deficient number, since it is larger than the sum of its proper divisors (56603444).

56978752 is a wasteful number, since it uses less digits than its factorization.

56978752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4056 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 56978752 is about 7548.4271209306. The cubic root of 56978752 is about 384.8022867446.

The spelling of 56978752 in words is "fifty-six million, nine hundred seventy-eight thousand, seven hundred fifty-two".